1971 07 31.45 -99.99 -99.99 
1972 08 31.08 -99.99 -99.99 
1973 10 22.21 -99.99 -99.99 
1974 05 25.57 -99.99 -99.99 
1975 04 18.89 -99.99 -99.99 
1978 02   .-7 -99.99 -99.99 
1978 12  9.03 -99.99 -99.99 
1980 05 24.75  12.15  18.45 
1980 07 33.70 -99.99 -99.99 
2011 01  2.58  -6.56  -1.99 
2011 02  8.18  -2.62   2.78 
2011 03 13.30   3.04   8.17 
2011 04 22.49   9.21  15.85 
2011 05 24.67  12.86  18.76 
2011 06 30.44  19.02  24.73 
2011 07 33.58  22.35  27.96 
2011 08 32.03  18.82  25.42 
2011 09 24.76  14.37  19.56 
2011 10 21.42   6.99  14.20 
2011 11 15.59   4.26   9.92 
2011 12 11.20   -.24   5.48 
2012 01  9.55  -2.95   3.30 
2012 02  9.87  -1.82   4.02 
2012 03 21.83   7.97  14.90 
2012 04 21.25   6.83  14.04 
2012 05 29.40  15.48  22.43 
2012 06 31.91  15.77  23.84 
2012 07 35.61  22.60  29.10 
2012 08 32.12  17.83  24.97 
2012 09 26.65  14.57  20.61 
2012 10 19.23   8.20  13.71 
2012 11 13.71    .11   6.91 
2012 12 11.03   1.01   6.02 
2013 01  6.61  -3.07   1.77 
2013 02  7.49  -3.22   2.13 
2013 03 10.01   -.76   4.62 
2013 04 20.12   7.11  13.61 
2013 05 25.84  13.79  19.81 
2013 06 28.90  17.91  23.40 
2013 07 29.01  18.98  23.99 
2013 08 30.53  20.00  25.26 
2013 09 27.48  15.80  21.64 
2013 10 20.63   9.71  15.17 
2013 11 12.35    .63   6.49 
2013 12  6.97  -3.55   1.70 
2014 01  3.98  -9.39  -2.70 
